423999744000 has 1152 divisors, whose sum is σ = 1730333404800. Its totient is φ = 91658649600.

The previous prime is 423999743989. The next prime is 423999744023. The reversal of 423999744000 is 447999324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 715007704 + ... + 715008296.

It is an arithmetic number, because the mean of its divisors is an integer number (1502025525).

Almost surely, 2^423999744000 is an apocalyptic number.

423999744000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423999744000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865166702400).

423999744000 is an abundant number, since it is smaller than the sum of its proper divisors (1306333660800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423999744000 is a wasteful number, since it uses less digits than its factorization.

423999744000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 423999744000 in words is "four hundred twenty-three billion, nine hundred ninety-nine million, seven hundred forty-four thousand".